Home / 29,751.30-41,057.49-18,422.64

Finding the Fourth Proportional to 29,751.30, 41,057.49 and 18,422.64

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Solution

The fourth proportional to 29,751.30, 41,057.49 and 18,422.64 is: 25,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,751.30 : 41,057.49 = 18,422.64 : x
  2. Step 2: Convert to fraction form
    29,751.30/41,057.49 = 18,422.64/x
  3. Step 3: Cross multiply
    29,751.30x = 41,057.49 × 18,422.64
  4. Step 4: Simplify right side
    29,751.30x = 756,387,357.57
  5. Step 5: Solve for x
    x = 756,387,357.57/29,751.30
  6. Step 6: Final answer
    x = 25,423.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.